Engineering Materials MCQs with answers Page - 6

Here, you will find a collection of MCQ questions on Engineering Materials. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

Admin • 802.91K Points
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Q. Silicon steel is widely used in

  • (A) Automobile industry
  • (B) Electrical industry
  • (C) RCC work
  • (D) Channel and other section for structural fabrication

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Q. The process by which steel is coated by a thin layer of phosphate is known as

  • (A) Anodising
  • (B) Phosphorizing
  • (C) Spheroidizing
  • (D) Parkerising

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Q. Which one is different from the others in press work operations?

  • (A) Riveting
  • (B) Sizing
  • (C) Coining
  • (D) Punching

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Q. The advantage of electroforming is

  • (A) Extreme dimensional accuracy can be held on surfaces with surface finish of 8 r.m.s. or even less
  • (B) Laminated metals can be produced
  • (C) Rate of production is very high
  • (D) (A) and (B) above

A

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Q. The size of coarse grams in metals is

  • (A) > 0.0005 mm
  • (B) >1 mm
  • (C) > 0.05 mm
  • (D) > 0.005 mm

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Q. A ductile fracture is characterized by

  • (A) Rapid rate for crack propagation
  • (B) Negligible deformation
  • (C) Fragmentation into more than two pieces
  • (D) Appreciable plastic deformation prior to propagation of crack

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Q. Which of the following is not a rare and precious metal?

  • (A) Platinum
  • (B) Palladium
  • (C) Tantalum
  • (D) Lithium

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Q. Which of the following is donor impurity for semi-conductors?

  • (A) Boron
  • (B) Callium
  • (C) Antimony
  • (D) Indium

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Q. A concrete wall generally

  • (A) Isentropic material
  • (B) Creates sound
  • (C) Transmits sound
  • (D) Reflects sound

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